> and 1.8 intel cpu. maxtor 120g hd. I have not had any troubles with > this hardware, since i have been running rh9 on it for sometime > before i upgraded to centos4. The change was i added a 512meg memory > chip and i just ran a memory tester on that yesterday and no problems > there. It will run for some time then out of no where it will stop > responding and all i can do is a hard reboot. > Memory test "pass" or not, I'd put the old memory back in and wait and see if it still locks up. You didn't say if you tried that?